The purpose of the Biomarkers of Peripheral Circadian Clocks in Humans study is to examine how light exposure and meal timing influences circadian rhythms in healthy people ages 17-40. 

The study is seven weeks long with eight in-person visits at CU Boulder. Participants live in the sleep laboratory on two separate occasions for 7.7 days (15.4 days total).

Compensation is up to $4,093.

For more study details and information on how to apply, please complete this survey. If you have any other questions, please email sleep.study@colorado.edu and ask about the peripheral clock study.